Which question correctly completes this conversation?
Operador: ___________________________
Ana: Mi hermana se cayó de la bicicleta y está muy adolorida.
Answer : ¿Qué pasó?
Explanation : The answer describes what happened, so the question should be : What has happened? in Spanish ¿Qué pasó?
Question : What has happened?
Translation : My sister fell off the bicycle and is very sore.
Hope this helps!